CN208921384U

CN208921384U - A kind of rapid detection system of electronic product

Info

Publication number: CN208921384U
Application number: CN201821089741.1U
Authority: CN
Inventors: 尹井松
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-11
Filing date: 2018-07-11
Publication date: 2019-05-31
Anticipated expiration: 2028-07-11

Abstract

The utility model discloses a kind of rapid detection systems of electronic product, specifically include workbench and the slide unit on workbench, electronic product to be measured is wherein fixed on slide unit, along slide unit moving direction, it is successively arranged dirt pocket, heating room and vibratory chamber, cleaner is wherein equipped with above dirt pocket, heating is indoor to be equipped with heating unit and program-controlled temp measuring system, shake table is equipped with below vibratory chamber, dirt pocket, heating room and vibratory chamber are sequentially communicated.The utility model can provide high temperature and vibration test environmental simulation, for testing electronic product to the tolerance level of temperature and vibration, realize the product for quickly filtering out high reliablity, underproof electronic product is rejected, to improve the reliability of electronic product.

Description

A kind of rapid detection system of electronic product

Technical field

The utility model belongs to electronic product detection technique field, reliable for detecting electronic product more particularly to one kind The rapid detection system of property.

Background technique

Currently, in aerospace field, it is higher and higher to the reliability requirement of electronic product.Temperature test is electronic product One of the key project of electrical safety conformity assessment, i.e., in normal operation, the temperature rise of test product all parts determine Whether it is in the range of standard regulation.And electronic product, during designing and manufacturing, existing defects, make to varying degrees These electronic products are obtained when the temperature of institute's installation environment changes and is acted on by external vibration, poor reliability is easy There is the problem of disabler.

To electronic product temperature test frequently with temperature measuring device, temperature measuring device only records temperature signal, no Test result can be determined automatically, be reported by reading the thermograph that temperature measuring device generates, Test Engineer's foundation Temperature rise standard judges whether electronic product is qualified, and testing efficiency is lower.

There is presently no a kind of testing equipments, can accurately and reliably provide electronic product under different temperatures environment Integrated environment during becoming with quick temperature while by external vibration stress, to allow user that can filter out reliable electromechanics Product rejects underproof electronic product, thus ensure electronic product aerospace field it is normal, safe handling, more preferably Ground meets user to the use demand of electronic product.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of rapid detection system of electronic product, which can be with High temperature and vibration test environmental simulation are provided, for testing electronic product to the tolerance level of temperature and vibration, realize quickly screening The product of high reliablity out rejects underproof electronic product, to improve the reliability of electronic product.

In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of quick inspection of electronic product Examining system, it is characterised in that: the slide unit including workbench and on workbench wherein fixes electromechanical production to be measured on slide unit Product are successively arranged dirt pocket, heating room and vibratory chamber, cleaner are wherein equipped with above dirt pocket, is added along slide unit moving direction Be equipped with heating unit and program-controlled temp measuring system in hot cell, be equipped with shake table below vibratory chamber, dirt pocket, heating room and vibratory chamber according to Secondary connection.

Above scheme to be made further preferably, the cleaner includes air pump, air heater, water tank and ethyl alcohol case, Air pump is connect with air heater, and air heater is connected to through pipeline with the spray head that top is distributed in dirt pocket, water tank and ethyl alcohol Case is connected into solenoid valve excessively with pipeline respectively.

To above scheme make further preferably, the heating unit be set to heating room above, program-controlled temp measuring system be set to plus Below hot cell, program-controlled temp measuring system includes being set to heat indoor thermocouple, and thermocouple acquisition heats indoor temperature through signal Post-sampling is improved, is connect through communication interface with host computer.

Above scheme is made further preferably, the shake table includes the vibration table of concave shape, vibration table and slide unit Lower surface is concordant, and the cam for driving its vibration is equipped with below vibration table, is equipped with exciting vibration spring in the corner of vibration table.

Above scheme to be made further preferably, the workbench side is equipped with elevator, and elevator is connect by steel wire with slide unit, Elevator driving slide unit is slided along workbench.

The beneficial effects of adopting the technical scheme are that

(1) rapid detection system of the electronic product in the utility model sets gradually dust removing units on the table, adds Hot cell and vibration unit form the comprehensive detection platform resistant to high temperatures and vibration performance to electronic product, utilize rolling control Electronic product is run on the table, realizes automation performance detecting system；

(2) rapid detection system of the electronic product in the utility model closes electronic product using stationary fixture Reason is fixed on slide unit, using the movement of slide unit, successively passes through dust removing units, heating unit and vibration unit, wherein dedusting list Member removes electronic product surface dirt using the mixed solvent of ethyl alcohol and water, in order to avoid influence following temperature detection；Heating unit It is heated using top, the mode of lower section acquisition cooperates program-controlled temp measuring system, guarantees that the numerical value acquisition of temperature environment is accurate；Vibration Unit drives vibration table come analog vibration environment using mechanical system, convenient for controlling its vibratory output.

(3) rapid detection system of the electronic product in the utility model can provide fast temperature change for electronic product Change and rejects underproof electromechanics with the combined environment test environment of vibration so as to quickly filter out the product of high reliablity Product preferably meets user to the use demand of electronic product, is conducive to promote general to improve the reliability of electronic product And it is of great practical significance.

Detailed description of the invention

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

Fig. 1 is the structural schematic diagram of the present embodiment；

Fig. 2 is the structural schematic diagram of cleaner in Fig. 1；

Fig. 3 is the composition block diagram of program-controlled temp measuring system in Fig. 1；

In figure: 1, cleaner, 2, spray head, 3, stationary fixture, 4, electronic product to be measured, 5, slide unit, 6, workbench, 7, plus Hot cell, 8, program-controlled temp measuring system, 9, thermocouple, 10, vibration table, 11, cam, 12, exciting vibration spring, 13, shielded frame, 14, elevator, 15, air heater, 16, water tank, 17, ethyl alcohol case, 18, solenoid valve, 19, pipeline, 20, air pump.

Specific embodiment

1-3 is it is found that the utility model is specially a kind of rapid detection system of electronic product with reference to the accompanying drawings, and the system is to machine The resistant to high temperatures and vibration performance of electric product is used for quickly detecting, and screens product.

Have attached drawing 1 it is found that this detection system specifically include dust removing units including workbench 6 and on workbench, Heating unit and vibration unit, three units are arranged successively from left to right, and electronic product 4 to be measured is fixed on slide unit 5, slide unit 5 It is slidably matched with workbench 6, the right side of workbench 6 is equipped with elevator 14, and elevator 14 is connect by steel wire with slide unit 5, and elevator 14 drives Dynamic slide unit 5 is slided along workbench 6.Elevator 14 therein is realized by its start and stop of the motor control of PLC technology to machine to be measured Residence time of the electric product 4 in each unit.

Shielded frame 13 is set above the workbench of the system, has partial partition among shielded frame 13, dust removing units, Heating unit and vibration unit are divided into three regions, form dirt pocket, heating room and vibratory chamber, are equipped with above dirt pocket Cleaner 1 heats interior and is equipped with heating unit 7 and program-controlled temp measuring system 8, shake table is equipped with below vibratory chamber, dirt pocket adds Hot cell and vibratory chamber are sequentially communicated.

Dirt pocket realizes dedusting using drive of high-pressure gas cleaning solution, removes to electronic product surface dirt, avoids dust Following temperature test and Results of Vibration are had an impact, guarantee that test result is accurate, therefore cleaner such as 2 institute of attached drawing Show, specifically include air pump 20, air heater 15, water tank 16 and ethyl alcohol case 17, air pump 20 is connect with air heater 15, empty Hot-air heater 15 is connected to through pipeline 19 with the spray head 2 that top is distributed in dirt pocket, and water tank 16 and ethyl alcohol case 17 are respectively into electromagnetism excessively Valve 18 is connected to pipeline 19.Wherein air pump 20 is used as power source, pressurizes to the high-temperature gas in air heater 15, while by water Cleaning solvent is provided in case 16 and ethyl alcohol case 17, the amount of feeding of cleaning solvent is controlled using solenoid valve 18, makes the two in pipeline 19 It is inside mixed to form the air-water mixture of protection high temperature air, steam and ethyl alcohol three mixing, as to electronic product surface clean Solvent, utilize the uniformly distributed injection of spray head 2 above dirt pocket to realize dedusting function to electronic product surface to be measured.

It heats room and mainly provides hot environment to electronic product, while drying electronic product, therefore above heating room Heating unit 7 is set, and program-controlled temp measuring system 8 is arranged in the lower section for heating room.High-power lamp resistant to high temperature can be used in heating unit 7 Silk, and it is equipped with pyroceram, form hot environment of the environment temperature in 80-120 degree Celsius range, while resistance heating wire Power can according to the needs of users and the needs of the heating size of room, the rate of heat addition are arranged accordingly.In height Under warm environment, electronic product, which is in the environment, persistently to be kept 5 minutes, and is able to maintain normal work, is existed with detecting electronic product Working performance under different temperatures environment.It is indoor in heating, for accurate measurements room temperature, it is arranged below electronic product Thermocouple 9, the acquisition of thermocouple 9 is heated indoor temperature and is connect through communication interface with host computer through signal condition post-sampling, and shows Environment temperature is shown, as shown in Fig. 3.

Vibratory chamber detects electronic product and bears product reliability under substantially vibration environment, it is desirable that the frequency of vibration environment is in 5- 10Hz, amplitude requirement within the scope of 20mm, design using mechanical driven mode cooperate spring can meet demand, therefore be provided with The vibration table 10 of concave shape, it is desirable that vibration table 10 is concordant with 5 lower surface of slide unit, and slide unit 5 is facilitated to can smoothly enter into vibratory chamber, The cam 11 for driving its vibration is equipped with below vibration table 10, cam 11 rotates under the drive of decelerating motor, pushes shake table Face 10 generates the Oscillation Amplitude of 20mm or so, while being equipped with exciting vibration spring 12 in the corner of vibration table 10, utilizes exciting vibration spring Excited frequency is improved, to reach design requirement.

In this system heating room heating temperature and vibration frequency be it is adjustable, be respectively provided with heat control unit and Vibration control unit, the two units can use programmable controller PLC, central processor CPU, digital signal processor DSP or single-chip microprocessor MCU are realized, are the prior art, specific control mode is not illustrated herein.

The rapid detection system of above-mentioned electronic product can use manual control elevator, transveyer when specifically used Electric product makes it be kept for the stipulated time in each unit, after completing high temperature and vibration environment test, normally examines to the detection system Survey whether electronic product can be used, to judge whether the product is qualified.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims

1. a kind of rapid detection system of electronic product, it is characterised in that: including workbench (6) and be set on workbench (6) Slide unit (5), wherein fix electronic product to be measured (4) on slide unit (5), along slide unit (5) moving direction, be successively arranged dirt pocket, Room and vibratory chamber are heated, is wherein equipped with cleaner (1) above dirt pocket, heating is indoor to be equipped with heating unit (7) and program-controlled survey Warm system (8), vibratory chamber lower section are equipped with shake table, and dirt pocket, heating room and vibratory chamber are sequentially communicated.

2. a kind of rapid detection system of electronic product according to claim 1, it is characterised in that: the cleaner packet Air pump (20), air heater (15), water tank (16) and ethyl alcohol case (17) are included, air pump (20) is connect with air heater (15), Air heater (15) is connected to through pipeline (19) with the spray head (2) that top is distributed in dirt pocket, water tank (16) and ethyl alcohol case (17) It is connected to respectively into solenoid valve (18) excessively with pipeline (19).

3. a kind of rapid detection system of electronic product according to claim 1, it is characterised in that: the heating unit (7) it is set to above heating room, program-controlled temp measuring system (8) is set to below heating room, and program-controlled temp measuring system (8) includes being set to heating room Interior thermocouple (9), thermocouple (9) acquisition heat indoor temperature through signal condition post-sampling, through communication interface and host computer Connection.

4. a kind of rapid detection system of electronic product according to claim 1, it is characterised in that: the shake table includes The vibration table (10) of concave shape, vibration table (10) is concordant with slide unit (5) lower surface, and driving is equipped with below vibration table (10) Its cam (11) vibrated is equipped with exciting vibration spring (12) in the corner of vibration table (10).

5. a kind of rapid detection system of electronic product according to claim 1, it is characterised in that: the workbench (6) Side is equipped with elevator (14), and elevator (14) is connect by steel wire with slide unit (5), and elevator (14) drives slide unit (5) along workbench (6) it slides.